Delight your child with the intriguing and captivating Moon Light Pens, a unique gift that will keep them entertained and engaged for days on end. Avoid the disappointment of short-lived interest in expensive toys by opting for this affordable and fascinating pen. The Moon Light Pen's ink is invisible to the naked eye and can only be seen under the UV light that comes with the pen, adding a touch of magic and mystery to your child's writing experience. Why You'll Love It Interesting toy for kids: Your kids won’t lose interest in this invisible writing pen and will be flaunting it in front of their friends. It is unlikely that they’ll ever stop playing and writing secret messages with this. The perfect alternative to tech devices: Using tech devices like laptops and tablets for a lot of time is harmful to kids. Get them away from such gadgets and give this cool pen to them. They’ll be writing stuff all over the house that no one will be able to see with the naked eye. Increased interest in writing: If your kid runs away from writing his homework, get this pen and he will develop a fondness for writing which will eventually make him more inclined to do his homework happily. Excellent gift choice: Surprise the young souls by giving them this invisible writing pen on their birthdays and make their special day more special. Features Material: Plastic Invisible writing pen visible under UV light only Pen’s back emits UV light Works with 3 AG13 button battery (included) Fun gadget for kids